Professional research service covering the area of what was formerly the Austro-Hungarian Empire, including: Hungary, Slovakia, Czech Republic, Austria, Italy, Transylvania, Croatia, Slovenia, former Yugoslavia (Banat), and the Ukraine (Sub-Carpathian).

Lists of peerage and regional titles with their pictures, dates, birthplaces, and linking to their families. This is not a complete list, but only those people who have been entered as leaves on Our Family Tree.

An online database that provides biographical details of thousands of individuals who have either belonged to, or been connected with, the royal family of England and Scotland during more than 1,000 years of history.

Lists of heads of state and heads of government (and, in certain cases, de facto leaders not occupying either of those formal positions) of all countries and territories, going back to about 1700 in most cases.